Filter



FIG. 1 is a front perspective view from above of a filter;

FIG. 2 is a right side view of the claimed design of FIG. 1;

FIG. 3 is a left side view of the claimed design of FIG. 1;

FIG. 4 is a front view of the claimed design of FIG. 1;

FIG. 5 is a rear view of the claimed design of FIG. 1;

FIG. 6 is a top view of the claimed design of FIG. 1;

FIG. 7 is a bottom view of the claimed design of FIG. 1; and,

FIG. 8 is a front perspective view from below of the claimed design of FIG. 1.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. Broken lines formed by equal length dashes show unclaimed portions of the design. Broken lines formed of unequal length dashes (i.e., dash-dot) show boundaries between claimed and unclaimed portions of the design. 

CLAIM We claim the ornamental design for a filter, as shown and described. 